IOR

IOR is an abbreviation for:

• Index of refraction, see refractive index
• Inhibition of return , a phenomenon of eye movement
• International Offshore Rule , rules for the construction of regatta yachts
• Interoperable Object Reference , an object reference to a CORBA object
• Istituto per le Opere di Religione , credit institution owned by the Holy See ("Vatican Bank")

This is a disambiguation page for differentiating between several terms identified with the same word.